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Annotation of Net2/arch/i386/include/asm.h, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1990 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * This code is derived from software contributed to Berkeley by
        !             6:  * William Jolitz.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *     This product includes software developed by the University of
        !            19:  *     California, Berkeley and its contributors.
        !            20:  * 4. Neither the name of the University nor the names of its contributors
        !            21:  *    may be used to endorse or promote products derived from this software
        !            22:  *    without specific prior written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  *
        !            36:  *     from: @(#)asm.h 5.5 (Berkeley) 5/7/91
        !            37:  *     asm.h,v 1.1 1993/06/16 21:42:47 mycroft Exp
        !            38:  */
        !            39: 
        !            40: #ifndef _SYS_ASM_H_
        !            41: #define _SYS_ASM_H_
        !            42: 
        !            43: /*
        !            44:  * XXX assumes that arguments are not passed in %eax
        !            45:  */
        !            46: 
        !            47: #ifdef PROF
        !            48: # define _BEGIN_ENTRY  .data; 1:; .long 0; .text; .align 2
        !            49: # define _END_ENTRY    movl $1b,%eax; call mcount
        !            50: #else
        !            51: # define _BEGIN_ENTRY  .text; .align 2
        !            52: # define _END_ENTRY
        !            53: #endif
        !            54: 
        !            55: #ifdef STDC
        !            56: # define _C_FUNC(x)    _ ## x
        !            57: #else
        !            58: # define _C_FUNC(x)    _/**/x
        !            59: #endif
        !            60: #define        _ASM_FUNC(x)    x
        !            61: 
        !            62: #define _ENTRY(x)      .globl x; x:
        !            63: 
        !            64: #define        ENTRY(y)        _BEGIN_ENTRY; _ENTRY(_C_FUNC(y)); _END_ENTRY
        !            65: #define        TWOENTRY(y,z)   _BEGIN_ENTRY; _ENTRY(_C_FUNC(y)); _ENTRY(_C_FUNC(z)); \
        !            66:                        _END_ENTRY
        !            67: #define        ASENTRY(y)      _BEGIN_ENTRY; _ENTRY(_ASM_FUNC(y)); _END_ENTRY
        !            68: 
        !            69: #define        ASMSTR          .asciz
        !            70: 
        !            71: #endif /* !_SYS_ASM_H_ */

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